/**
 * Copyright 2005 SIB Framework

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
 */
package org.sibframework.sda;

import java.util.Map;

/**
 * Visitor to use visit pattern in result iterator.
 * @author Spring Song
 *
 */
public interface MapVisitor {

	/**
	 * call when prepare;
	 * @throws Exception
	 */
	public void prepare();
	
	/**
	 * call when rs.next();
	 * @throws Exception
	 */
	public void next(Map<String, Object> map);

	/**
	 * call when finish
	 * @throws Exception
	 */
	public void finish();
}
